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<h1>chi2inv_rtb</h1><p><span class="helptopic">Inverse chi-squared function</span></p><p>
<strong>x</strong> = <span style="color:red">chi2inv_rtb</span>(<strong>p</strong>, <strong>n</strong>) is the inverse chi-squared cdf function of <strong>n</strong>-degrees of freedom.

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<h2>Notes</h2>
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  <li>only works for N=2</li>
  <li>uses a table lookup with around 6 figure accuracy</li>
  <li>an approximation to chi2inv() from the Statistics & Machine Learning Toolbox</li>
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<h2>See also</h2>
<p>
<a href="chi2inv.html">chi2inv</a></p>
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